What it is: A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. Under free market conditions, prices are determined almost exclusively by the forces of supply and demand.
NuvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.This is the earliest possible date that a generic version of NuvaRing could become available. However, there are other circumstances that could come up to extend the exclusivity period of NuvaRing beyond 2018.This could include such things as other patents for specific NuvaRing uses or lawsuits.uvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.
To obtain the benefit of the provisional filing date, a non-provisional patent application must be filed, claiming benefit of the filing date of one or more specific provisional patent applications, prior to their expiration. The provisional patent application is only pending for 12 months prior to becoming abandoned.he provisional filing date is not counted as part of the 20-year life of any patent that may issue with a claim to the provisional filing date. The United States Patent and Trademark Office (USPTO) announced on December 8, 2010, that it was implementing a Missing Parts Pilot Program.